Structure and features&colon;The bront-back&comma; left-right&comma; up-down of this machine can locate and be controled by the microcomputer to work automatically&period; The workstation can also rotate automatically&period; In addition&comma; it can turn up to an angle of 85 degree&period; The main electrical elements and components of the machine&lpar;such as laser reticule apparatus&comma; magnetic rule&comma; frequency converter ect&period; &rpar;are all of imported good-quality materials so that it pledegs the whole machine's precision and long life&period; Particularly&comma; it is applicable to cutting the valuable and large stone board&period;